CVE-2025-13502

HIGHNVD 7.57.5—

7.5

A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 37.9%
KEV: Not listed

Published

November 25, 2025

Last Modified

April 20, 2026

References (14)

secalert@redhathttps://access.redhat.com/errata/RHSA-2025:22789
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:22790
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23110
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23433
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23434
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23451
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23452
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23583
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23591
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23742
secalert@redhathttps://access.redhat.com/errata/RHSA-2025:23743
secalert@redhathttps://access.redhat.com/security/cve/CVE-2025-13502
secalert@redhathttps://bugs.webkit.org/show_bug.cgi?id=302218
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2416300

Patch Availability(11)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	webkit2gtk3-0:2.50.3-2.el8_6	2025-12-22	redhat
redhat	webkit2gtk3-0:2.50.3-2.el8_8	2025-12-22	redhat
redhat	webkitgtk4-0:2.50.3-2.el7_9	2025-12-18	redhat
redhat	webkit2gtk3-0:2.50.3-1.el9_4	2025-12-18	redhat
redhat	webkit2gtk3-0:2.50.3-2.el8_4	2025-12-17	redhat
redhat	webkit2gtk3-0:2.50.3-1.el9_0	2025-12-17	redhat
redhat	webkit2gtk3-0:2.50.3-1.el9_2	2025-12-17	redhat
redhat	webkit2gtk3-0:2.50.3-2.el8_2	2025-12-17	redhat
redhat	webkit2gtk3-0:2.50.3-1.el9_6	2025-12-11	redhat
redhat	webkit2gtk3-0:2.50.3-1.el9_7	2025-12-08	redhat
redhat	webkit2gtk3-0:2.50.3-1.el8_10	2025-12-08	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-125Out-of-bounds Read

All Vendor Advisories

(11)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 8× in last 7d / 59× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-15 17:48 UTCEPSS rescore
2026-06-14 23:17 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-12 23:11 UTCEPSS rescore
2026-06-11 13:59 UTCEPSS rescore
2026-06-10 22:18 UTCEPSS rescore
2026-06-10 13:21 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-06 13:47 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-05 06:10 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore

Show 34 more

2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-29 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-24 16:56 UTCEPSS rescore
2026-05-23 15:20 UTCEPSS rescore
2026-05-22 21:16 UTCEPSS rescore
2026-05-22 21:16 UTCEPSS rescore
2026-05-22 21:16 UTCEPSS rescore
2026-05-21 22:42 UTCEPSS rescore
2026-05-21 04:16 UTCEG score recompute
2026-05-21 04:16 UTCVendor advisory
2026-05-21 04:15 UTCGHSA enrichment
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-18 21:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-13502?

CVE-2025-13502 is a high vulnerability published on November 25, 2025. A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server.

When was CVE-2025-13502 disclosed?

CVE-2025-13502 was first published in the National Vulnerability Database on November 25, 2025, with the most recent update on April 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-13502 actively exploited?

CVE-2025-13502 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-13502?

CVE-2025-13502 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2025-13502?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-13502, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-13502

Published

Last Modified

References (14)

Patch Availability(11)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-13502?

Same vendor

Same CWE

CVE-2025-13502

📅 Published

🔄 Last Modified

🔗 References (14)

Patch Availability(11)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-13502?

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References (14)

Frequently asked(5)

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